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Memory RAM upgrade problem. Atari 520STFM

The place to ask all those likely daft questions!
Wes_T
Posts: 9
Joined: 26 May 2025 21:50
Location: Portsmouth UK

Memory RAM upgrade problem. Atari 520STFM

Post by Wes_T »

Hello
I bought RAM memory for atari 520stfm in the store on the exxos forum.
I have a board C103175 so I bought DRAM sticks 44256BP 256x
TC514256AP
after installing I have memory errors. without these RAM's tests go through correctly original RAM MT4C4256. please advise.

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Best regards
Wes_T

/ ZX 81 16kB / ZX Spectrum 16kB / ZX Spectrum 48kB / Atari 800XL / Atari 65XE / Atari 520 STFM / Commodore VIC20 / Commodore C16 / Commodore C64 / Amiga 1200 /
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exxos
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Re: Memory RAM upgrade problem. Atari 520STFM

Post by exxos »

Your missing R71,R72,R73. Anything around 33R to 68R will be fine.
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Wes_T
Posts: 9
Joined: 26 May 2025 21:50
Location: Portsmouth UK

Re: Memory RAM upgrade problem. Atari 520STFM

Post by Wes_T »

:D :D :D
Silly me. They still in the bag.
Thank You!

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Wes_T

/ ZX 81 16kB / ZX Spectrum 16kB / ZX Spectrum 48kB / Atari 800XL / Atari 65XE / Atari 520 STFM / Commodore VIC20 / Commodore C16 / Commodore C64 / Amiga 1200 /
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Wes_T
Posts: 9
Joined: 26 May 2025 21:50
Location: Portsmouth UK

Re: Memory RAM upgrade problem. Atari 520STFM

Post by Wes_T »

All done and working. Thank You!
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Wes_T

/ ZX 81 16kB / ZX Spectrum 16kB / ZX Spectrum 48kB / Atari 800XL / Atari 65XE / Atari 520 STFM / Commodore VIC20 / Commodore C16 / Commodore C64 / Amiga 1200 /
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exxos
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Re: Memory RAM upgrade problem. Atari 520STFM

Post by exxos »

:bravo: :2k2:
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